Some time late in 2011—at least according to the people-crunchers at the U.N. Population Reference Bureau—humanity will reach a new demographic milestone with the birth of the 7th billion living person. (As a measure of just how fast global population is growing, the 6th billionth living person—Bosnian Adnan Nevic—is only 11.) …

Yesterday afternoon, as we were closing this week’s issue of Time, I ended up in a debate with one of my editors over how the air travel system had responded to a December of terrible weather. I’d written a short piece coming out in the magazine describing the travel Armageddon the storm had created for airline passengers—not just …

For all the complaints about government gridlock, the 111th Congress proved to be incredibly productive, passing health care legislation, an unprecedented stimulus, major tax cuts, allowing gays in the military and vindicating a landmark arms control treaty. When President Obama addressed the press before Christmas, he celebrated those …

As New York shovels out of the snow and LA digs out of the mud, Australians are facing their own onslaught of extreme weather. The worst floods in half a century have hit the central and southern parts of Queensland, forcing at least 1000 residents to evacuate their homes with warnings that the worst may be yet to come as rivers in the …

Of all the projected impacts of climate change, the scariest one in a world is the effect warming could have on our ability to feed ourselves. Scientists have looked at the impact of major heat waves in the past, and have found that such abnormally hot weather tends to hurt agriculture, with maize productivity levels falling by more …

With the failure of carbon cap-and-trade legislation this year, and a passel of Republicans taking over the House who seem to doubt that global warming exists, Congress has become a dead-end for fighting greenhouse gas emissions. But the Supreme Court has given the Environmental Protection Agency (EPA) the power to regulate …

The troubled but important food safety bill finally passed Congress yesterday, and should be signed by President Obama today. I have a post over at Healthland explaining why the bill may not be worth much without more funding.